Elements, Atoms, Bonding Quiz

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  • 1/12 Questions

    What is matter? 

    • Anything that has mass and occupies space.
    • Anything that has density and occupies space.
    • Anything that has volume and takes up space.
    • Anything that has electrons and takes up space.
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On-Line Text Flash Quiz: Elements, Atoms, Bonding and the Periodic Table

Elements, Atoms, Bonding Quiz - Quiz

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  • 2. 

    A compound is different from an element because a compound is:

    • Made of two or more elements chemically combined.

    • The building block of all matter.

    • A mixture of elements.

    • A pure substance.

    Correct Answer
    A. Made of two or more elements chemically combined.
    Explanation
    A compound is different from an element because it is made of two or more elements chemically combined. Elements are pure substances that cannot be broken down into simpler substances, while compounds are formed when two or more elements chemically react and bond together in a fixed ratio. Compounds have different properties from their constituent elements and can have completely different chemical and physical properties.

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  • 3. 

    What is the difference between a compound and a mixture?

    • A compound is a pure substance made up of two or more elements that are combined chemically in a specific ratio. A mixture is two or more substances that are in the same place and are not chemically combined.

    • A mixture is a pure substance made up of two or more elements that are combined chemically in a specific ratio. A compound is two or more substances that are in the same place and are not chemically combined.

    • A compound is a mixture made up of two or more elements that are chemically combined. A mixture is a combination of two or more substances that occupy the same place.

    • A compound is set of element that are blended but not chemically combined. A mixture is made up of emulsifiers.

    Correct Answer
    A. A compound is a pure substance made up of two or more elements that are combined chemically in a specific ratio. A mixture is two or more substances that are in the same place and are not chemically combined.
    Explanation
    A compound is a pure substance made up of two or more elements that are combined chemically in a specific ratio. This means that the elements in a compound are chemically bonded together, resulting in a new substance with different properties than the individual elements. On the other hand, a mixture is two or more substances that are in the same place but are not chemically combined. In a mixture, the substances retain their individual properties and can be separated physically.

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  • 4. 

    Who invented the concept and term atom?

    • Anaximander

    • Aristarchus

    • Democritus

    • Empedocles

    Correct Answer
    A. Democritus
    Explanation
    Democritus is credited with inventing the concept and term "atom." He proposed that all matter is made up of tiny, indivisible particles called atoms. Democritus believed that atoms were constantly moving and combining to form different substances. His ideas laid the foundation for modern atomic theory and greatly influenced the development of science.

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  • 5. 
    What was significant about Rutherford's gold foil experiment? - ProProfs

    What was significant about Rutherford's gold foil experiment?

    • Rutherford's gold foil experiment was significant because the experiment led him to propose a model with a positively charged nucleus.

    • Rutherford's gold foil experiment was significant because the experiment led him to propose a model with a negatively charged nucleus.

    • Rutherford's gold foil experiment was significant because the experiment led him to propose a model with a neutrally charged nucleus.

    • Rutherford's gold foil experiment was significant because the experiment led him to propose a model with an ionically charged nucleus.

    Correct Answer
    A. Rutherford's gold foil experiment was significant because the experiment led him to propose a model with a positively charged nucleus.
    Explanation
    Rutherford's gold foil experiment was significant because it provided evidence that atoms have a small, dense, and positively charged nucleus at the center. This contradicted the prevailing model at the time, the plum pudding model, which proposed that the positive charge was evenly distributed throughout the atom. The experiment involved firing alpha particles at a thin sheet of gold foil and observing their scattering patterns. The fact that some particles were deflected at large angles or even bounced back indicated the presence of a concentrated positive charge in the atom's nucleus. This discovery revolutionized our understanding of atomic structure.

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  • 6. 
    Identify the scientist that developed this model of the atom: - ProProfs

    Identify the scientist that developed this model of the atom:

    • Rutherford is the scientist that developed this model of the atom.

    • Thomson is the scientist that developed this model of the atom.

    • Bohr is the scientist that developed this model of the atom.

    • Dalton is the scientist that developed this model of the atom.

    Correct Answer
    A. Rutherford is the scientist that developed this model of the atom.
    Explanation
    Rutherford is credited with developing the model of the atom known as the Rutherford model or the planetary model. In this model, Rutherford proposed that the atom consists of a small, dense, positively charged nucleus at the center, with electrons orbiting around it. This model was based on the famous gold foil experiment conducted by Rutherford, which led to the discovery of the atomic nucleus. Thomson is known for the discovery of the electron and his plum pudding model, Bohr is known for the development of the Bohr model of the atom, and Dalton is known for his atomic theory.

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  • 7. 
    Which scientist developed this model of the atom? - ProProfs

    Which scientist developed this model of the atom?

    • Thomson is the scientist that developed this model of the atom.

    • Rutherford is the scientist that developed this model of the atom.

    • Bohr is the scientist that developed this model of the atom.

    • Dalton is the scientist that developed this model of the atom.

    Correct Answer
    A. Thomson is the scientist that developed this model of the atom.
    Explanation
    Thomson is the correct answer because he developed the model of the atom known as the "plum pudding" model. This model proposed that atoms were made up of a positively charged sphere with negatively charged electrons embedded in it, similar to plums in a pudding. Thomson's model was later disproven by Rutherford's gold foil experiment, which led to the development of the nuclear model of the atom. Bohr also made significant contributions to the understanding of atomic structure, but his model came after Thomson's. Dalton, on the other hand, proposed the first modern atomic theory but did not develop a specific model of the atom.

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  • 8. 
    Who is the scientist that developed this model of the atom? - ProProfs

    Who is the scientist that developed this model of the atom?

    • Bohr is the scientist that developed this model of the atom.

    • Rutherford isthe scientist that developed this model of the atom.

    • Dalton is the scientist that developed this model of the atom:

    • Thomson is the scientist that developed this model of the atom:

    Correct Answer
    A. Bohr is the scientist that developed this model of the atom.
    Explanation
    Bohr is the correct answer because he developed the model of the atom known as the Bohr model or Bohr's atomic model. This model proposed that electrons orbit the nucleus in fixed energy levels or shells, and that electrons can jump between these energy levels by absorbing or emitting energy. This model was a significant advancement in understanding the structure of the atom and explaining the behavior of electrons.

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  • 9. 
    Which ideas summarize Dalton's atomic theory? - ProProfs

    Which ideas summarize Dalton's atomic theory?

    • • All elements are composed of atoms that cannot be divided. • All atoms of the same element are exactly alike and have the same mass. Atoms of different elements are different and have different masses. • An atom of one element cannot be changed into an atom of a different element. Atoms cannot be created or destroyed in any chemical change, only rearranged. • Every compound is composed of atoms of different elements, combined in a specific ratio.

    • • All elements are composed of molecules that cannot be divided. • All atoms of the same element are exactly alike and have the same density. Atoms of different elements are different and have different density. • An atom of one element cannot be changed into an atom of a different molecule. Atoms cannot be created or destroyed in any chemical change, only rearranged. • Every mixture is composed of atoms of different elements, combined in a ratio.

    • • All atoms are composed of elements that can be divided. • All elements are exactly alike and have the same mass. Atoms of different elements are different and have different masses. • An atom of one element can be changed into an atom of a different element. Atoms can be created in any chemical change, only rearranged. • Every compound is composed of atoms of different elements.

    • • All elements are composed of atoms. • All atoms are exactly alike. • An element cannot be changed into an atom of a different element. Atoms cannot be created or destroyed in any chemical change, only rearranged. • Every compound is composed of molecules of different elements, combined in a specific ratio.

    Correct Answer
    A. • All elements are composed of atoms that cannot be divided. • All atoms of the same element are exactly alike and have the same mass. Atoms of different elements are different and have different masses. • An atom of one element cannot be changed into an atom of a different element. Atoms cannot be created or destroyed in any chemical change, only rearranged. • Every compound is composed of atoms of different elements, combined in a specific ratio.
    Explanation
    The correct answer summarizes Dalton's atomic theory by stating that all elements are composed of indivisible atoms, atoms of the same element are identical and have the same mass, atoms of different elements are different and have different masses, atoms cannot be changed into atoms of a different element, and atoms cannot be created or destroyed in a chemical change, only rearranged. Additionally, it states that every compound is composed of atoms of different elements combined in a specific ratio. This explanation accurately reflects the key principles of Dalton's atomic theory.

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  • 10. 

    What is a chemical bond?

    • A chemical bond is the force that holds atoms together.

    • A chemical bond is the nucleus energy level that holds atoms together.

    • A chemical bond is the exchange of valence electrons.

    • A chemical bond is the pairing and sharing of electrons.

    Correct Answer
    A. A chemical bond is the force that holds atoms together.
    Explanation
    A chemical bond refers to the force that holds atoms together. This force is created by the attraction between the positively charged nucleus of one atom and the negatively charged electrons of another atom. This attraction allows atoms to form stable molecules or compounds.

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  • 11. 
    What is an atomic energy level? - ProProfs

    What is an atomic energy level?

    • The area around the nucleus in which electrons of the same energy are found. The lowest-energy electrons are in the energy level near the nucleus that can hold only 2 electrons. Higher-energy electrons are in a larger energy level farther from the nucleus. These energy levels can hold 8 or more electrons.

    • The area around the nucleus in which electrons of the different energies are found. The lowest-energy electrons are in the energy level near the nucleus that can hold only 2 electrons. Higher-energy electrons are in a larger energy level farther from the nucleus. These energy levels can hold 8 or more electrons.

    • The area around the nucleus in which electrons of the same energy are found. The highest-energy electrons are in the energy level near the nucleus that can hold only 2 electrons. lower-energy electrons are in a larger energy level farther from the nucleus. These energy levels can hold 8 or more electrons.

    • The area around the nucleus in which electrons of the same energy are found. The highest-energy electrons are in the energy level near the nucleus that hold 8 electrons. Lower-energy electrons are in a larger energy level farther from the nucleus. These energy levels can hold 2 electrons.

    Correct Answer
    A. The area around the nucleus in which electrons of the same energy are found. The lowest-energy electrons are in the energy level near the nucleus that can hold only 2 electrons. Higher-energy electrons are in a larger energy level farther from the nucleus. These energy levels can hold 8 or more electrons.
    Explanation
    An atomic energy level refers to the area around the nucleus where electrons with the same energy are located. The energy levels closer to the nucleus contain the lowest-energy electrons and can only hold up to 2 electrons. On the other hand, the energy levels farther from the nucleus contain higher-energy electrons and can hold 8 or more electrons. This concept helps to understand the organization of electrons within an atom and their distribution in different energy levels.

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  • 12. 

    Which of these is a list of mixtures? 

    • This is a list of mixtures: Air, soil, wood, gasoline, concrete and orange juice.

    • This is a list of mixtures: Air, soil, salt, wood, gasoline, concrete and orange juice.

    • This is a list of mixtures: Air, soil, water, wood, gasoline, concrete and orange juice.

    • This is a list of mixtures: Air, soil, wood, gasoline, H2, O2,

    Correct Answer
    A. This is a list of mixtures: Air, soil, wood, gasoline, concrete and orange juice.
    Explanation
    The correct answer is "This is a list of mixtures: Air, soil, wood, gasoline, concrete and orange juice." This answer is correct because all the items listed are combinations of different substances that can be physically separated. Air is a mixture of gases, soil is a mixture of organic matter, minerals, and water, wood is a mixture of cellulose fibers and lignin, gasoline is a mixture of hydrocarbons, concrete is a mixture of cement, sand, and aggregate, and orange juice is a mixture of water and dissolved compounds from oranges.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 07, 2016
    Quiz Created by
    Rhaveno
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